/// <summary>
/// Creates and Initializes a new MsgHandler structure
/// </summary>
/// <param name="m_MsgNum">Msg # to trap</param>
/// <param name="m_WM_Handler">User-defined Handler for the message</param>
public MsgTrap(int m_MsgNum, WM_Delegate m_WM_Handler)
{
this.msgNum = m_MsgNum;
this.WM_Handler = m_WM_Handler;
}
/// <summary>
/// Registers a new Message to the trapped and its associated handler (delegate)
/// </summary>
/// <param name="msg">Windows message number to trap</param>
/// <param name="WM_Handler">Handler to invoke. Null=Unregister</param>
public bool AddHandler(int msg, WM_Delegate WM_Handler)
{
MsgTrap msgTrap = new MsgTrap(msg, WM_Handler);
if (this.msgTrapList.Contains(msgTrap))
{
return false;
}
if (WM_Handler != null)
{
this.msgTrapList.Add(msgTrap);
}
else
{
this.msgTrapList.Remove(msgTrap);
}
return true;
}
